[Mon Apr 30 01:41:02 2012] Detection parameters: Position = (233.2, 415.9) = 10 23 57.12 4 21 18.3 Extent = 10.9" x 10.9", rotation angle = 0 degrees Source counts = 115.1 +/- 22.4 Background counts = 156.8 Rate = 0.001 +/- 0.0002 [Mon Apr 30 01:41:05 2012] Off-axis axis estimate = 9.74' [Mon Apr 30 01:47:16 2012] Using EEF radius (= 11.30 ")to estimate initial spatial extent for simple fitting [Mon Apr 30 01:47:16 2012] Initial guess for spatial extent in simple fitting = 11.30" [Mon Apr 30 01:47:16 2012] source mask rpix=2.6, npix_max = 38, mask sum = 36, frac = 0.938 [Mon Apr 30 01:47:16 2012] Giving source the simple spatial ID 19 for pass 0, mean size = 11.30" [Mon Apr 30 06:37:17 2012] fullrun_pn_xmm0605540201_pi300-10000_cl_pass0_src19.ximg exists [Mon Apr 30 06:37:17 2012] Warning: model total counts is not > 0 in csv/fullrun_pn_xmm0605540201_pi300-10000_cl_pass0_src19.csv [Mon Apr 30 06:37:17 2012] fullrun_pn_xmm0605540201_pi300-10000_cl_pass0_src19_1.ximg exists [Mon Apr 30 06:37:17 2012] Warning: model total counts is not > 0 in csv/fullrun_pn_xmm0605540201_pi300-10000_cl_pass0_src19.csv [Mon Apr 30 06:37:17 2012] It looks like the fit did not converge You should probably delete fullrun_pn_xmm0605540201_pi300-10000_cl_pass0_src19_1.ximg Either tweak this fit manually starting from fullrun_pn_xmm0605540201_pi300-10000_cl_pass0_src19.ximg or adjust the simplespatial fit parameters in $XASSIST/data/missions/*/*/spatial.dat and re-run simplespatial fitting after setting file recreation parameter to yes [Mon Apr 30 06:37:18 2012] fullrun_pn_xmm0605540201_pi300-10000_cl_pass0_tfrozen_src19.ximg exists [Mon Apr 30 06:37:18 2012] fullrun_pn_xmm0605540201_pi300-10000_cl_pass0_tfrozen_src19_1.ximg exists [Mon Apr 30 06:37:18 2012] Fit fullrun_pn_xmm0605540201_pi300-10000_cl_pass0_tfrozen_src19 appears to have run properly [Mon Apr 30 11:15:54 2012] Spatial fit model total counts = 2988.430000, observed total counts = 2988.000000 [Mon Apr 30 11:15:54 2012] Offset between fit and detection position for source 21 = 0.930048 pixels [Mon Apr 30 11:15:54 2012] 3010.454900 total counts/ 2933.680000 bgd. counts: snr = 1.417467 Spatial fit parameters: Offset between fit and detection position for source 21 = 0.930048 pixels Position = (233.1, 415.0) = 10 23 57.15 4 21 14.1 Extent = 8.2 (3.4-20.3)", rotation angle = 0 Source counts = 76.8 +/- 54.9 Background counts = 2933.7 Rate = 0.0007 +/- 0.0005 Deleting source due to low Poisson probability